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Rhythm abnormality of unknown origin strongly predicts sudden death risk in heart disease patients

Researchers conducting a large, ongoing study to improve detection and prevention of sudden cardiac death were surprised to discover that a specific heart rhythm abnormality – idiopathic QT interval prolongation – increased risk five-fold among patients with coronary artery disease.

2 Feb 2009

Researchers design re-engineered hospital discharge program to reduce rehospitalization

Researchers from Boston Medical Center (BMC) and Boston University School of Medicine (BUSM) have designed a process to minimize discharge failures.

2 Feb 2009

PET/CT may improve prognosis for patients with inflammatory breast cancer

In the largest study to date to evaluate fluorodeoxyglucose positron emission tomography combined with computed tomography (FDG-PET/CT) in the initial staging of inflammatory breast cancer (IBC), researchers were able to identify the precise location and extent of metastasis (spread of disease), offering the potential for a better prognosis for patients with this rare, but aggressive form of breast cancer.

2 Feb 2009

People without heart disease symptoms should use caution in obtaining cardiac imaging exams

At the radiation dose levels used in cardiac imaging exams, such as cardiac CT or nuclear medicine scans, the risk of potentially harmful effects from ionizing radiation are low.

2 Feb 2009

Brain perceives optical illusions as real motion

Ever get a little motion sick from an illusion graphic designed to look like it's moving?

2 Feb 2009

New technique images tumor vessel leakiness to predict breast cancer chemotherapy outcome

Chemotherapy is an integral part of modern cancer treatment, but it's not always effective.

2 Feb 2009

A framework for major depressive disorder

Genes, psychological adversity in childhood, and recent or ongoing psychological stress may combine to cause major depression, write Dr. Sanjay Mathew and colleagues from Mount Sinai School of Medicine in New York in a review published in CMAJ.

2 Feb 2009

MR spectroscopy may help avoid invasive procedures and treatments for recurrent brain lesions

A clinical decision model which uses MR spectroscopy to help physicians differentiate between recurrent tumors and changes in the brain tissue due to radiation treatments, may help patients avoid invasive procedures and treatments, according to a study performed at the University of Michigan Health System in Ann Arbor, MI.

2 Feb 2009

Rapid new technique for detection of Salmonella

In the hours following an outbreak of Salmonella , there are many questions.

2 Feb 2009

Insulin may slow or prevent damage caused by toxic proteins in Alzheimer's disease

A Northwestern University-led research team reports that insulin, by shielding memory-forming synapses from harm, may slow or prevent the damage and memory loss caused by toxic proteins in Alzheimer's disease.

2 Feb 2009

Heavy dope smoking can damage developing brain in teens, young adults

Adolescents and young adults who are heavy users of marijuana are more likely than non-users to have disrupted brain development, according to a new study.

2 Feb 2009

Gene expression signature associated with survival in advanced ovarian cancer

A new study published this week in the open-access journal PLoS Medicine identifies molecular pathways associated with outcomes in ovarian cancer.

2 Feb 2009

Genetic change prevents cell death in mouse model of Parkinson's disease

By shifting a normal protective mechanism into overdrive, a University of Wisconsin-Madison scientist has completely shielded mice from a toxic chemical that would otherwise cause Parkinson's disease.

2 Feb 2009

Fibroblasts invade at a snail's pace

A transcription factor known to drive the formation of fibroblasts during development also promotes their ability to invade and remodel surrounding tissues, report Rowe et al. in the February 9, 2009 issue of the Journal of Cell Biology.

2 Feb 2009

After knee replacement exercise is crucial

It may be uncomfortable at first, but doing exercises to strengthen your quadriceps after you've had knee replacement surgery due to osteoarthritis is critical to your recovery.

2 Feb 2009

Even with medication, asthma patients show chronic airflow changes in lungs

Using a special MRI technique, researchers have determined that the location and degree of airway narrowing in the lungs of asthma sufferers can be markedly persistent over time.

2 Feb 2009

Education may not affect how fast you will lose your memory

While a higher level of education may help lower the risk of Alzheimer's disease, new research shows that once educated people start to become forgetful, a higher level of education does not appear to protect against how fast they will lose their memory.

2 Feb 2009